Table 1

Anthropometry indices, smoking status, and mean serum hormone measurements in cases with colorectal cancer and control subjects

ControlsColorectal cancerp for difference
Values are mean (population standard deviations) or mean [95% confidence intervals (CI)]; CI=mean (1.96)*(stdev/sqrt(n)).
BMI, body mass index; IGF-I, insulin-like growth factor 1; IGFBP-3, IGF binding protein 3.
No of individuals336168
Height (m)169.4 (9.3)169.7 (8.3)0.76
Weight (kg) 74.7 (13.5) 76.0 (13.4)0.32
BMI (kg/m2) 26.0 (3.8) 26.3 (3.8)0.50
Current smokers (%) 20.5 16.70.30
IGF-1 (ng/ml) 200.4 [192.6–208.2] 198.7 [188.1–209.3]0.78
IGFBP-3 (ng/ml) 2585 [2504–2666] 2593 [2490–2696]0.91